Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Union City
Air quality index (AQI) and PM2.5 air pollution in Union City
4 people follow this city
Union City Air Quality Map
Real-time Union City air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Union City today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Union City?
| Weather | Broken clouds |
| Temperature | 48.2°F |
| Humidity | 91% |
| Wind | 12 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | El Centro, California | 91 |
| 2 | San Bernardino, California | 87 |
| 3 | Visalia, California | 83 |
| 4 | Casa Grande, Arizona | 78 |
| 5 | Corpus Christi, Texas | 78 |
| 6 | Fontana, California | 78 |
| 7 | Porterville, California | 76 |
| 8 | Redlands, California | 76 |
| 9 | Van Nuys, California | 74 |
| 10 | San Fernando, California | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Union City?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.8*µg/m³ | |
!
PM2.5
x2.8
PM2.5 concentration in Union City is currently 2.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Union City?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Union City air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 54 AQI US |  100% | 59° 44.6° |  17.9 mp/h |
| Saturday, Apr 20 | Good 14 AQI US  |  | 48.2° 39.2° | 15.7 mp/h |
| Sunday, Apr 21 | Good 9 AQI US | | 51.8° 35.6° | 11.2 mp/h |
| Monday, Apr 22 | Good 22 AQI US |  | 57.2° 37.4° | 8.9 mp/h |
| Tuesday, Apr 23 | Good 21 AQI US | 100% | 51.8° 46.4° | 17.9 mp/h |
| Wednesday, Apr 24 | Good 34 AQI US | 100% | 48.2° 35.6° | 15.7 mp/h |
| Thursday, Apr 25 | Good 6 AQI US | | 50° 30.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Union City?
No locations are available.
AQI US, Metric